Brush Chippers BC1000S

Vermeer BC1000S (VTM BC1000S) Towable Drum Brush Chipper Technical Specifications
Architectural Layout & Operational Design Strategy
The Vermeer BC1000S is a heavy-duty, trailer-mounted drum-style brush chipper engineered to process demanding land clearing debris, urban forestry waste, and large logs up to 12 inches (30.5 cm) in diameter. Constructed for industrial-grade operations, the structural frame and towing tongue are fabricated from massive 7-inch (17.78 cm) steel Z-channels featuring a robust wall thickness of 0.25 inches (0.64 cm), reinforced with a standard structural tongue extension for optimal highway towing tracking. Power is supplied by a 4-cylinder Cummins QSF2.8 turbocharged diesel engine producing 72 hp, regulated by an integrated EcoIdle™ control system which automatically scales back engine RPM during feeding interruptions to minimize jobsite noise and fuel usage. A significant design advantage is the exclusive optional four-knife cutting drum configuration developed by Vermeer Tianjin Manufacturing; this multi-knife array converts large material into small, fine, uniform wood chips ranging from 10 mm to 15 mm, ideal for biomass and high-grade mulching. The powertrain employs a Clutchless PTO direct-drive system linked with an automatic mechanical belt tensioner, which interlocks throttle and engagement to permit belt drive connection exclusively at low/idle RPM, preventing impact strain on the heavy-duty 460 lb cutting drum. Ground logistics are anchored by a high-capacity 3500 kg rubber torsional axle and light-truck rated commercial tires. Safety parameters feature a smart load-sensing feed loop, a variable-sensitivity electronic bottom stop bar, and dual-sided hold-to-run verification arrays.
General Dimensions, Weights & Structural Trailer Framework
Overall Length - Transport Configuration (Feed Table Up, Tongue In)	177.2 in (450.1 cm)
Overall Length - Operational Configuration (Table Down, Tongue Extended)	198 in (502.9 cm)
Overall Chassis Operational Width	68.9 in (175 cm)
Overall Machine Height (To Top of Discharge Assembly)	100.8 in (256 cm)
Total Base Unit Weight (Excluding Winch & Hydraulic Jack Options)	6063 lbs (2750.1 kg)
Chassis Main Frame and Towing Tongue Construction	7 in (17.78 cm) structural steel Z-Channel profile with a wall thickness of 0.25 in (0.64 cm)
Towing Tongue Extension Capability	Standard factory-installed sliding tongue extension
Wheel Fenders Specification	Heavy-gauge stamped steel fenders with bolt-on chassis integration
Turbocharged Diesel Engine Infrastructure (Cummins QSF2.8)
Make and Model	Cummins QSF2.8 Turbo (4-Cylinder, In-line, Turbocharged Liquid-Cooled Diesel)
Maximum Gross Output Power	72 hp (53.7 kw)
Maximum Peak Engine Torque Output	184.4 ft-lb (250 Nm)
Fuel Reservoir Capacity	25 gal (94.6 L) — configured for extended high-production work shifts
EcoIdle™ Engine Power Management Loop	Standard integrated electronic control: dynamically reduces engine RPM during idling gaps to optimize fuel economy and lower emissions
Air Intake Filtration Subsystem	2-Stage high-capacity dry-type element layout
Lubrication Parameters and Oil Filter	Spin-on full-flow oil filter; oil capacity with filter: 8.5 qt (8 L); lubricant standard: API CH4
Cooling System Infrastructure	Liquid-cooled radiator configuration; total system capacity: 2.3 gal (8.7 L); fan assembly specification: F490W-25.4-60-7
Maximum Continuous Operating Angle	30 degrees maximum incline tilt (supports stable operation on severe sloped terrain)
Guaranteed Sound Power Level	118 dB(a)
Mechanical Powertrain & Shaft Bearing Components
Power Take-Off (PTO) Configuration	Clutchless PTO direct-drive layout; eliminates conventional internal friction clutches
Drivetrain Engagement Interface	Automated mechanical belt tensioner pulley assembly; interlocked to engage strictly at engine low/idle speeds
Drive Belt Configuration Profile	5 V wedge-profile high-torque drive belt array
Main Cuttershaft Supporting Bearings	2 Linkbelt self-aligning spherical roller bearing assemblies; shaft bore diameter: 2.4 in (6.1 cm)
Bearing Mechanical Structural Load Capacities	Dynamic Load Rating: 31400 lbs (14242.8 kg); Static Load Rating: 53500 lbs (24267.2 kg)
Drum Cutting Subsystem & Knife Parameters
Maximum Log/Brush Processing Diameter Capacity	12 in (30.5 cm) maximum capacity thickness
Cutting Drum Cylinder Rotor Dimensions	Diameter: 20 in (50.8 cm); operational width: 20 in (50.8 cm)
Drum Cylinder Wall Structural Steel Thickness	0.4 in (1 cm) plate steel
Operational Running Speed of Drum Rotor	2264 rpm
Total Cutting Drum Weight (Including Shaft Assembly)	460 lbs (208.7 kg)
Cutting Knife Array Quantity Options	Standard drum configuration: 2 active cutting knives; VTM exclusive optional drum configuration: 4 active cutting knives
Cutting Knife Geometrical Size Profile	Knife dimensions: 0.625 in x 4.5 in x 9 in (1.59 cm x 11.43 cm x 22.86 cm); thickness: 0.6 in (1.5 cm); 4 structural bolts per knife
Knife Composition Material & Wear Edges	Premium heavy-impact A8 composition chipper-grade tool steel; features 4 indexable usable cutting edges
Discharge Air Impeller Paddles	3 heavy-duty discharge kinetic paddles using a structural weld-on attachment method
Bedknife (Anvil) Geometrical Matrix	Base dimensions: 3.5 in x 17.25 in (8.89 cm x 43.82 cm); structural thickness: 1 in (2.5 cm)
Bedknife Material & Wear Edges	1018 composition mild carbon steel; features 4 independent indexable usable wear edges
Knife Mount & Drum Lock Assemblies	Replaceable threaded knife mounting block; heavy mechanical safety lock pin supporting 2 service pinning positions
Hydraulic Circuit & Intake Feed Roller Parameters
Active Intake Proportional Roller Layout	1 single horizontal upper feed roller; width/diameter: 21 in (51 cm); total deadweight: 400 lbs (181.4 kg)
Intake Roller Compression Downforce Load	350 lbs (158.8 kg) downforce compression rating
Minimum Structural Clearance (Roller to Drum)	1 in (2.5 cm) protective minimum proximity stop block
Feed Roller Hydraulic Motor Specification	1 White high-torque hydraulic motor; structural displacement rating: 28.3
Linear Feeding Proportional Intake Speed	105 ft/min (32 m/min) continuous flow speed
Infeed Table & Safety Hopper Geometry	Table Width: 52 in (132.1 cm); Table Length: 32 in (81.3 cm); Material Guide Board Height: 12 in (30.5 cm)
Infeed Table Sheet Steel Thickness	0.2 in (0.5 cm) thick steel plate
Infeed Throat Material Gate Dimension	12 in x 17 in (30.5 cm x 43.2 cm) clear wide-intake clearance matrix
Infeed Table Elevation Height Above Ground	26 in (66 cm) low-profile ergonomics deck level
Infeed Hazard Safety Distance (Pinch Point)	Distance from absolute outer table rim edge to the internal roller pinch centerline: 66.5 in (168.9 cm)
Hydraulic Loop Layout Configuration	Open-center hydraulic flow path circuit
Main Pump Hydroflow Delivery Performance	2.7 gpm (10.2 L/min) output stream at maximum engine operational RPM
System Maximum Working Relief Pressure	2500 psi (172.4 bar) overpressure threshold safety setting
Fluid Tank Reservoir & Dual Filtration Arrays	7 gal (26.5 L) tank capacity; 10-micron fluid filter inline on return loop paired with a 100-micron pump suction strainer
Directional Control & Cooling Profile	Equipped with manual directional control valves; open loop runs without an integrated auxiliary oil cooler; oil type: Vermeer VMF
Discharge Assembly & Materials Projection (Chute)
Discharge Point Target Clearance Height	96.9 in (246.1 cm) elevation for high-sided truck bed throwing clearance
Chute Directional Rotation Array	270 degrees total horizontal sweeping rotation
Rotation Control Mechanism and Interlock	Chain drive manual crank handle system paired with a mechanical pin lock assembly
Electrical Control Enclosures, Telemetry & Operator Safety Controls
SmartFeed Feed-Sensing System Logic	Proprietary load-sensing software: monitors internal engine parameters and load factors to automatically stop or reverse the intake feed roller when engine RPM levels decline under heavy log resistance
Master Vehicle Controller & Display interface	Vermeer ACS master vehicle control unit; features an integrated high-visibility LED display module
Integrated Gauge Telemetry Interface	Analog/Digital dash gauges tracking fuel levels, active engine runtime hours, droop configurations, and toggle status controls
Critical Safety Shutdown Protection Matrix	Automated preventative engine safety cutoffs for high coolant temperature and low engine oil pressure states
Bottom Feed Stop Bar (BFSB Safety Assembly)	Standard 2 in (5.1 cm) diameter emergency stop bar constructed from high-tensile 11 GA sheet steel running the hopper floor perimeter
BFSB Mechanical Actuation & Sensitivity Arrays	Required Trip Pressure Force: 34 lbs (15.4 kg). Dual sensitivity selection settings: Normal Sensitivity mode operates at a 22-degree deflection arc, Reduced Sensitivity mode at a 12-degree deflection arc
4-Position Top Feed Control Bar	Standard high-reach multi-mode control bar wrapping the hopper top frame. Manual selector positions: Emergency Stop (E-stop), Forward, Stop, Reverse; requires 34 lbs (15.4 kg) activation force
Circuit Reset Safety Activation Method	Dual green hold-to-run override buttons located on both sides of the infeed table housing; requires manual engagement to clear active trips and reset forward roller feed
Chassis System Voltage and Instruments	12-volt primary DC network loop; heavy-duty commercial Group 31-950 starter battery
Trailer Running Gear, Axle & Suspension Specification
Axle Suspension Subtype Layout	Heavy-duty rubber-torsional independent suspension axle assembly
Axle Manufacturer & Rated Capacity	Engineered torsional ride axle (Manufactured in China); maximum load rating capacity of 7716.2 lbs (3500 kg)
Factory Optional Packages Available
Auxiliary hydraulic winch integration kits, Heavy-duty hydraulic stabilizing jack leg mounts, Specialized radio remote control transmitter loops, Custom commercial fleet paint schemes, and Extended Vermeer Protection preventive maintenance service plans.